Unshielded Twisted Pair (UTP) Cable

The cable has four pairs of wires inside the jacket. Each pair is twisted with a different number of twists per inch to help eliminate interference from adjacent pairs and other electrical devices.

Categories
        Types use


   -Category 1
              Voice (Wayer Telefon)
   -Category 2
              Data to 4 Mbps (LocalTalk)
   -Category 3
              Data to 10 Mbps (Ethernet)
    -Category 4
             Data to 20 Mbps (16 Mbps Token Ring)
    -Category 5
              Data to 100 Mbps (Fast Ethernet)